using System;
using System.Collections.Generic;
using Sarand.Net.Standard.Base.Bus;
using Sarand.Net.Standard.Base.Core;
using Sarand.Net.Standard.Base.Utils;

namespace Sarand.Net.Standard.Base.Interfaces
{
	//=======================================================================
	public class SaInterfaceProcessDataItem : SacsHierarchyItem
	{
		//-------------------------------------------------------------------
		// Columns.
		public enum Column
		{
			Pos = 0,
			Id,
			// Process.
			ProcessId,
			// Data item.
			ItemType,
			ItemType_Desc,
			ItemId,
			Item_Caption,
			// Common properties.
			Notes,
			Status,
			Status_Desc,
			Status_Ind,
			CreateOn_Date,
			UpdateOn_Date,
		}

		//-------------------------------------------------------------------
		/// <summary>Properties other than common.</summary>
		public class DataProperties
		{
			public SysId InterfaceProcessId { get; set; } = null;
			public ItemId ItemId { get; set; } = new ItemId();
			public String ItemData { get; set; } = String.Empty;
		}

		//-------------------------------------------------------------------
		// Data.
		public new class Data : SacsHierarchyItem.Data
		{
			// Data members.
			private readonly DataProperties data = new DataProperties();
			// Construction.
			public Data()
			{
				Status = DefaultStatus;
			}
			// Properties.
			public SysId InterfaceProcessId
			{
				get { return data.InterfaceProcessId; }
				set { CheckChanged(data.InterfaceProcessId, value); data.InterfaceProcessId = value; }
			}
			public ItemId ItemId
			{
				get { return data.ItemId; }
				set { CheckChanged(data.ItemId, value); data.ItemId = value; }
			}
			public String ItemData
			{
				get { return data.ItemData; }
				set { CheckChanged(data.ItemData, value); data.ItemData = value; }
			}
			//-------------------------------------------------------------------
			// Population.
			internal void PopulateFrom(Data data)
			{
				InterfaceProcessId = data.InterfaceProcessId;
				ItemId = data.ItemId;
				ItemData = data.ItemData;
				base.PopulateFrom(data);
			}
			public Data Clone()
			{
				Data data = new Data();
				data.PopulateFrom(this);
				return data;
			}
		}

		//-------------------------------------------------------------------
		// Error field - identify properties with validation error.
		public new class ErrField : SacsHierarchyItem.ErrField
		{
			// Identifies the field that has invalid data.
			public ValidValue InterfaceProcessId { get; set; } = ValidValue.Valid;
			public ValidValue ItemType { get; set; } = ValidValue.Valid;
			public ValidValue ItemId { get; set; } = ValidValue.Valid;
			public ValidValue ItemData { get; set; } = ValidValue.Valid;
		}

		//-------------------------------------------------------------------
		// Data members.
		private readonly Data data = new Data();
		// Flags.
		public static readonly Byte Flag_ = 0x01;

		//-------------------------------------------------------------------
		// Construction.
		public SaInterfaceProcessDataItem(SysId id, SysId interfaceProcessId, ItemId itemId) :
			base(id)
		{
			base.SetData(data);
			InterfaceProcessId = interfaceProcessId;
			ItemId = itemId;
			Status = DefaultStatus;
		}

		//-------------------------------------------------------------------
		// Statuses.
		private static readonly List<SaStatus> validStatuses = new List<SaStatus>()
		{
			SaStatus.Completed
		};
		public static SaStatus DefaultStatus { get { return CompletedStatus; } }
		public static SaStatus CompletedStatus { get { return SaStatus.Completed; } }
		public static List<SaStatus> ValidStatuses { get { return new List<SaStatus>(validStatuses); } }
		public static DataValue.TriStateType GetStatusTriState(SaStatus status)
		{
			switch (status)
			{
				case SaStatus.Completed:
					return DataValue.TriStateType.Green;
				case SaStatus.Deleted:
					return DataValue.TriStateType.Purple;
			}
			return DataValue.TriStateType.Unknown;
		}

		//-------------------------------------------------------------------
		// Properties.
		public Data GetData() { return data.Clone(); }
		public void SetData(Data data)
		{
			// Properties that cannot be changed if previously specified.
			if (SysId.IsValid(Id) && SysId.ToInt(Id) != SysId.ToInt(data.Id))
				throw new NotSupportedException($"{SysUtil.Fn} Id cannot be changed");
			if (SysId.IsValid(InterfaceProcessId) && SysId.ToInt(InterfaceProcessId) != SysId.ToInt(data.InterfaceProcessId))
				throw new NotSupportedException($"{SysUtil.Fn} Interface Process cannot be changed");
			if (ItemId.Type >= 0 && ItemId.Type != data.ItemId.Type)
				throw new NotSupportedException($"{SysUtil.Fn} Item type cannot be changed");
			if (SysId.IsValid(ItemId.Id) && SysId.ToInt(ItemId.Id) != SysId.ToInt(data.ItemId.Id))
				throw new NotSupportedException($"{SysUtil.Fn} Item Id cannot be changed");
			// Populate individual properties to ensure that 'Changed' indicator is kept up to date.
			this.data.PopulateFrom(data);
		}
		public SysId InterfaceProcessId
		{
			get { return data.InterfaceProcessId; }
			protected set { data.InterfaceProcessId = value; }
		}
		public ItemId ItemId
		{
			get { return data.ItemId; }
			protected set { data.ItemId = value; }
		}
		public String ItemData
		{
			get { return data.ItemData; }
			set { data.ItemData = value; }
		}

		//-------------------------------------------------------------------
		// Flags.

		//-------------------------------------------------------------------
		// List parameters.
		public enum StatusCat
		{
			Any,
			CompletedOnly,
		}
		/// <summary>
		/// Item list parameters.
		/// </summary>
		public new class Params : SacsHierarchyItem.Params
		{
			public List<SysId> IncludedIds { get; } = new List<SysId>();
			public List<SysId> ExcludedIds { get; } = new List<SysId>();
			public SysId InterfaceProcessId { get; } = null;
			public List<ItemId> IncludedItemIds { get; } = new List<ItemId>();
			public StatusCat StatusCat { get; set; } = StatusCat.Any;
		}

		//-------------------------------------------------------------------
		//                              L i s t
		//-------------------------------------------------------------------
		public class List : List<SaInterfaceProcessDataItem>
		{
		}

		//-------------------------------------------------------------------
	}
	//=======================================================================
}